on/upon impact

phrase

: at the time of hitting something

The bomb exploded on/upon impact (with the ground).

Examples of on/upon impact in a Sentence

Recent Examples on the Web

The driver, who has not been publicly identified, was ejected from the SUV on impact and pronounced dead at the scene. — Lauren Penington, Denver Post, 18 Mar. 2026

The male driver was ejected from the vehicle on impact, according to investigators. — Jennifer McRae, CBS News, 18 Mar. 2026

To protect your noggin, it's lined with Rheon, a breathable, energy-absorbing polymer (originally conceived from a NASA project looking at space shuttle foam replacements) that's flexible in its natural state but instantly stiffens on impact. — Jeremy White, Wired News, 28 Feb. 2026

Rickey Swaniger, 56, of Sterling, died on impact when the truck sped down an off-ramp from Interstate 25 across Yale Avenue into an abutment, taking out traffic lights and narrowly missing vehicles stopped along the ramp. — Alan Gionet, CBS News, 4 Feb. 2026